The rare case (create hob failed) should be considered. Assert for StandaloneMmCoreHobLib and return NULL for StandaloneMmobLib.
Signed-off-by: Ming Huang <huangm...@linux.alibaba.com> --- StandaloneMmPkg/Library/StandaloneMmCoreHobLib/Arm/StandaloneMmCoreHobLib.c | 6 ++++++ StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c | 3 +++ 2 files changed, 9 insertions(+) diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/Arm/StandaloneMmCoreHobLib.c b/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/Arm/StandaloneMmCoreHobLib.c index 1550e1babc..d27e5ceaa4 100644 --- a/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/Arm/StandaloneMmCoreHobLib.c +++ b/StandaloneMmPkg/Library/StandaloneMmCoreHobLib/Arm/StandaloneMmCoreHobLib.c @@ -89,6 +89,7 @@ BuildModuleHob ( ); Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE)); + ASSERT (Hob != NULL); CopyGuid (&(Hob->MemoryAllocationHeader.Name), &gEfiHobMemoryAllocModuleGuid); Hob->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule; @@ -167,6 +168,7 @@ BuildGuidHob ( ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE))); Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16)(sizeof (EFI_HOB_GUID_TYPE) + DataLength)); + ASSERT (Hob != NULL); CopyGuid (&Hob->Name, Guid); return Hob + 1; } @@ -226,6 +228,7 @@ BuildFvHob ( EFI_HOB_FIRMWARE_VOLUME *Hob; Hob = CreateHob (EFI_HOB_TYPE_FV, sizeof (EFI_HOB_FIRMWARE_VOLUME)); + ASSERT (Hob != NULL); Hob->BaseAddress = BaseAddress; Hob->Length = Length; @@ -255,6 +258,7 @@ BuildFv2Hob ( EFI_HOB_FIRMWARE_VOLUME2 *Hob; Hob = CreateHob (EFI_HOB_TYPE_FV2, sizeof (EFI_HOB_FIRMWARE_VOLUME2)); + ASSERT (Hob != NULL); Hob->BaseAddress = BaseAddress; Hob->Length = Length; @@ -282,6 +286,7 @@ BuildCpuHob ( EFI_HOB_CPU *Hob; Hob = CreateHob (EFI_HOB_TYPE_CPU, sizeof (EFI_HOB_CPU)); + ASSERT (Hob != NULL); Hob->SizeOfMemorySpace = SizeOfMemorySpace; Hob->SizeOfIoSpace = SizeOfIoSpace; @@ -319,6 +324,7 @@ BuildMemoryAllocationHob ( ); Hob = CreateHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, sizeof (EFI_HOB_MEMORY_ALLOCATION)); + ASSERT (Hob != NULL); ZeroMem (&(Hob->AllocDescriptor.Name), sizeof (EFI_GUID)); Hob->AllocDescriptor.MemoryBaseAddress = BaseAddress; diff --git a/StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c b/StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c index ee61bdd227..4acd44ceb3 100644 --- a/StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c +++ b/StandaloneMmPkg/Library/StandaloneMmHobLib/StandaloneMmHobLib.c @@ -396,6 +396,9 @@ BuildGuidHob ( ASSERT (DataLength <= (0xffff - sizeof (EFI_HOB_GUID_TYPE))); Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, (UINT16)(sizeof (EFI_HOB_GUID_TYPE) + DataLength)); + if (Hob == NULL) { + return NULL; + } CopyGuid (&Hob->Name, Guid); return Hob + 1; } -- 2.17.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#86525): https://edk2.groups.io/g/devel/message/86525 Mute This Topic: https://groups.io/mt/89020083/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-